public class SitemapAlternateLink implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * The language/region code for this alternate link.
     * Should be in ISO 639-1 format (language) optionally followed by ISO 3166-1 Alpha 2 format (region).
     * For example: "en", "en-US", "de-CH", "x-default"
     */
    private String hreflang;

    /**
     * The URL of the alternate version of the page.

 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when SSO (Single Sign-On) login operations fail.
 *
 * This exception is used to indicate various SSO authentication failures
 * including configuration errors, authentication token validation failures,
 * communication issues with SSO providers, and other SSO-related problems.
 */
public class SsoLoginException extends FessSystemException {

 */
package org.codelibs.fess.exception;

/**
 * Exception thrown during SSO (Single Sign-On) processing operations.
 *
 * This exception is used to indicate errors that occur during the execution
 * of SSO authentication and authorization processes. It extends FessSystemException
 * to provide consistent error handling within the Fess system for SSO-related
 * processing failures such as token validation errors, communication failures

 * integrated with Fess. Implementations handle specific SSO protocols like SAML,
 * OAuth, SPNEGO, or other authentication mechanisms. Each authenticator is responsible
 * for obtaining login credentials, resolving user information, and managing SSO
 * lifecycle operations like logout and metadata exchange.
 */
public interface SsoAuthenticator {

    /**

        final String originalEncoding = textExtractor.getEncoding();
        assertEquals("UTF-8", originalEncoding);

        textExtractor.setEncoding("ISO-8859-1");
        assertEquals("ISO-8859-1", textExtractor.getEncoding());

        // Reset
        textExtractor.setEncoding("UTF-8");
        assertEquals("UTF-8", textExtractor.getEncoding());
    }

    /**

 * saml.sp.entityid=https://your-fess-server.example.com/sso/metadata
 *
 * # Assertion Consumer Service URL
 * saml.sp.assertion_consumer_service.url=https://your-fess-server.example.com/sso/
 *
 * # Single Logout Service URL
 * saml.sp.single_logout_service.url=https://your-fess-server.example.com/sso/logout
 * </pre>
 *
 * <h2>Complete Configuration Example (Okta)</h2>
 * <pre>
 * sso.type=saml
 *

    /**
     * ISO 8601 basic format: yyyyMMdd'T'HHmmss.SSSZ
     */
    public static final String DATE_FORMAT_ISO_8601_BASIC = "yyyyMMdd'T'HHmmss.SSSZ";

    /**
     * ISO 8601 extended format: yyyy-MM-dd'T'HH:mm:ss.SSSZ
     */
    public static final String DATE_FORMAT_ISO_8601_EXTEND = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";

    /**
     * ISO 8601 extended UTC format: yyyy-MM-dd'T'HH:mm:ss.SSS'Z'

│   └── exentity/              # Extended entities (domain models)
├── helper/                    # Cross-cutting utilities
├── crawler/                   # Crawling engine
├── sso/                       # SSO implementations
└── ds/                        # Data store connectors

src/main/resources/
├── fess_config.properties     # Main config
├── app.xml                    # DI configuration

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE components PUBLIC "-//DBFLUTE//DTD LastaDi 1.0//EN"
	"http://dbflute.org/meta/lastadi10.dtd">
<components>
	<component name="ssoManager" class="org.codelibs.fess.sso.SsoManager">
	</component>

        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        queue.setEncoding("UTF-8");
        assertEquals("UTF-8", queue.getEncoding());

        queue.setEncoding("ISO-8859-1");
        assertEquals("ISO-8859-1", queue.getEncoding());

        queue.setEncoding(null);
        assertNull(queue.getEncoding());
    }

    public void test_parentUrlGetterSetter() {